Listar por autor "Tripier, Raphaël"

Mostrando ítems 1-12 de 12

    • 1,4,7‐triazacyclononane‐based bifunctional picolinate ligands for efficient copper complexation 

      Guillou, Amaury; Lima, Luís M. P.; Roger, Mélissa; Esteban-Gómez, David; Delgado, Rita; Platas-Iglesias, Carlos; Patinec, Véronique; Tripier, Raphaël (Wiley, 2017-05-10)
      [Abstract] Three 1,4,7‐triazacyclononane‐based (tacn‐based) ligands containing picolyl and picolinate pendant arms (no3py, no2pa1py, and no3pa) were synthesized, and their copper(II) complexation properties were studied ...

    • Definition of the labile capping bond effect in lanthanide complexes 

      Rodríguez-Rodríguez, Aurora; Regueiro-Figueroa, Martín; Esteban-Gómez, David; Rodríguez-Blas, Teresa; Patinec, Véronique; Tripier, Raphaël; Tircsó, Gyula; Carniato, Fabio; Botta, Mauro; Platas-Iglesias, Carlos (Wiley, 2017-01-23)
      [Abstract] Two macrocyclic ligands containing a cyclen unit, a methyl group, a picolinate arm, and two acetate pendant arms attached to two nitrogen atoms of the macrocycle either in trans (1,7-H3Medo2 ampa = 2,2′-(7-((6 ...

    • endo- versus exo-Cyclic coordination in copper complexes with methylthiazolylcarboxylate tacn derivatives 

      Guillou, Amaury; Lima, Luís M. P.; Esteban-Gómez, David; Delgado, Rita; Platas-Iglesias, Carlos; Patinec, Véronique; Tripier, Raphaël (Royal Society of Chemistry, 2019-05-17)
      [Abstract] Three tacn (1,4,7-triazacyclononane)-based ligands substituted by methylthiazolylcarboxylate (tha) and/or methylthiazolyl (th) arms have been examined for copper complexation with the aim to study the impact of ...

    • Gd3+-based magnetic resonance imaging contrast agent responsive to Zn2+ 

      Regueiro-Figueroa, Martín; Gündüz, Serhat; Patinec, Véronique; Logothetis, Nikos K.; Esteban-Gómez, David; Tripier, Raphaël; Angelovski, Goran; Platas-Iglesias, Carlos (American Chemical Society, 2015-10-15)
      [Abstract] We report the heteroditopic ligand H5L, which contains a DO3A unit for Gd3+ complexation connected to an NO2A moiety through a N-propylacetamide linker. The synthesis of the ligand followed a convergent route ...

    • On the Dissociation Pathways of Copper Complexes Relevant as Pet Imaging Agents 

      Uzal-Varela, Rocío; Patinec, Véronique; Tripier, Raphaël; Valencia, Laura; Maneiro, Marcelino; Canle, Moisés; Platas-Iglesias, Carlos; Esteban-Gómez, David; Iglesias, Emilia (Elsevier, 2022)
      [Abstract] Several bifunctional chelators have been synthesized in the last years for the development of new 64Cu-based PET agents for in vivo imaging. When designing a metal-based PET probe, it is important to achieve ...

    • Phosphate and polyphosphate anion recognition by a dinuclear copper(ii) complex of an unsymmetrical squaramide 

      Esteves, Catarina V.; Costa, Judite; Esteban-Gómez, David; Lamosa, Pedro; Bernard, Hélène; Platas-Iglesias, Carlos; Tripier, Raphaël; Delgado, Rita (Royal Society of Chemistry, 2019-05-29)
      [Abstract] In the search for receptors suitable for the recognition of phosphate or polyphosphate anions, a new unsymmetrical squaramide-based ligand bearing dipicolylamine (dpa) and ethylpiperazine units (L) was designed ...

    • Relevance of Palladium to Radiopharmaceutical Development Considering Enhanced Coordination Properties of TE1PA 

      Pineau, Julie; Lima, Luís M. P.; Platas-Iglesias, Carlos; Zeevaart, Jan Rijn; Driver, Cathryn H. S.; Le Bris, Nathalie; Tripier, Raphaël (Wiley, 2022-06-10)
      [Abstract] The limited use of palladium-103 and -109 radionuclides for molecular radiotherapy is surely due to the lack of appropriate ligands capable of fulfilling all criteria required for application in nuclear medicine. ...

    • Spectroscopic properties of a family of mono‐ to trinuclear lanthanide complexes 

      Sy, Mohamadou; Esteban-Gómez, David; Platas-Iglesias, Carlos; Rodríguez-Rodríguez, Aurora; Tripier, Raphaël; Charbonnière, Loïc J. (Wiley, 2017-04-10)
      [Abstract] A series of mono‐, di‐, and trinuclear complexes of Eu and Tb was designed to study the influence of the number of Ln emitting centers on the luminescence properties of discrete polynuclear complexes. The complexes ...

    • Stable Mn2+, Cu2+ and Ln3+ complexes with cyclen-based ligands functionalized with picolinate pendant arms 

      Rodríguez-Rodríguez, Aurora; Garda, Zoltán; Ruscsák, Erika; Esteban-Gómez, David; Blas, Andrés de; Rodríguez-Blas, Teresa; Lima, Luís M. P.; Beyler, Maryline; Tripier, Raphaël; Tircsó, Gyula; Platas-Iglesias, Carlos (Royal Society of Chemistry, 2015-01-20)
      [Abstract] In this study we present the results of the equilibrium, dissociation kinetics, DFT and X - ray crystallographic studies performed on the complexes of metal ions of biomedical importance (Mn 2+ , Cu 2+ and ...

    • The relationship between NMR chemical shifts of thermally polarized and hyperpolarized 89Y complexes and their solution structures 

      Xing, Yixun; Jindal, Ashish K.; Regueiro-Figueroa, Martín; Le Fur, Mariane; Kervarec, Nelly; Zhao, Piyu; Kovacs, Zoltan; Valencia, Laura; Pérez-Lourido, Paulo; Tripier, Raphaël; Esteban-Gómez, David; Platas-Iglesias, Carlos; Sherry, A. Dean (Wiley, 2016-11-07)
      [Abstract] Recently developed dynamic nuclear polarization (DNP) technology offers the potential of increasing the NMR sensitivity of even rare nuclei for biological imaging applications. Hyperpolarized 89Y is an ideal ...

    • The role of the capping bond effect on pyclen natY3+/90Y3+ chelates: full control of the regiospecific N-functionalization makes the difference 

      Le Fur, Mariane; Beyler, Maryline; Molnár, Enikö; Fougère, Olivier; Esteban-Gómez, David; Tircsó, Gyula; Platas-Iglesias, Carlos; Lepareur, Nicolas; Rousseaux, Olivier; Tripier, Raphaël (Royal Society of Chemistry, 2017-09-07)
      [Abstract] Thanks to a smart regiospecific N-functionalization, a pyclen based ligand bearing one picolinate and two acetate arms organized in a dissymmetric manner was synthesized for Y3+ complexation, and compared to its ...

    • Tuning the copper(II) coordination properties of cyclam by subtle chemical modifications 

      Camus, Nathalie; Le Bris, Nathalie; Nuryyeva, Selbi; Chessé, Matthieu; Esteban-Gómez, David; Platas-Iglesias, Carlos; Tripier, Raphaël; Elhabiri, Mourad (Royal Society of Chemistry, 2017-09-14)
      [Abstract] The acid–base and copper(II) coordination properties of three previously described cyclam derivatives are reported. Potentiometry, mass spectrometry, UV-vis absorption spectroscopy, electrochemistry and theoretical ...